condition	mean	min	max
4 h after light	11.7	11.7	11.7
8 h after light	53.5	24.9	82.1
12 h after light	40.65	7.6	73.7
4 h after dark	27.35	13.1	41.6
8 h after dark	15.65	14.2	17.1
12 h after dark	8.7	7.8	9.6